Feedback control systems for micropositioning tasks with hysteresis compensation

被引:28
作者
Cavallo, A
Natale, C
Pirozzi, S
Visone, C
Formisano, A
机构
[1] Univ Naples 2, Dipartimento Ingn Informaz, I-81031 Aversa, Italy
[2] Univ Sannio, Dipartimento Ingn, I-82100 Benevento, Italy
关键词
compensation; feedback; hysteresis; magnetostrictive actuators;
D O I
10.1109/TMAG.2004.824777
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper proposes the analysis of a control loop system employing a Terfenol-D actuator driving a real mechanical load. The aim of the paper is to analyze the performances of such a system when a-strategy of hysteresis compensation is employed. Such strategy has demonstrated its effectiveness in simpler feedback systems (with no mechanical load) by improving the tracking error, decreasing the control signal so as to avoid saturation and harmful stress to the actuator. As a consequence, the algorithm allows also to reduce energy losses in the actuator.
引用
收藏
页码:876 / 879
页数:4
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